<template>
	<div>
		<!-- 面包屑导航区 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
		  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
		  <el-breadcrumb-item>数据统计</el-breadcrumb-item>
		  <el-breadcrumb-item>数据报表</el-breadcrumb-item>
		</el-breadcrumb>
		
		<!-- 卡片视图 -->
		<el-card>
			<!-- echarts -->
			<div id="main" style="width: 700px;height:400px;"></div>
		</el-card>
	</div>
</template>

<script>
	// 导入echarts
import echarts from 'echarts'
import _ from 'lodash'
	
	export default{
		data() {
			return{
				// 需要合并的数据
				options: {
				        title: {
				          text: '用户来源'
				        },
				        tooltip: {
				          trigger: 'axis',
				          axisPointer: {
				            type: 'cross',
				            label: {
				              backgroundColor: '#E9EEF3'
				            }
				          }
				        },
				        grid: {
				          left: '3%',
				          right: '4%',
				          bottom: '3%',
				          containLabel: true
				        },
				        xAxis: [
				          {
				            boundaryGap: false
				          }
				        ],
				        yAxis: [
				          {
				            type: 'value'
				          }
				        ]
				      }
				
			}
		},
		created() {},
		
		// 此时页面上元素已经渲染完毕
		async mounted() {
			let echarts =require('echarts')
			// 基于准备好的dom，初始化echarts实例
			        var myChart = echarts.init(document.getElementById('main'))
					const{ data:res} = await this.$http.get('http://127.0.0.1:8888/api/private/v1/reports/type/1')
					if(res.meta.status!==200){
						return this.$message.error('获取折线图数据失败')
					}
					// 通过lodash合并数据对象
					const result=_.merge(res.data,this.options)
			
			        // 使用刚指定的配置项和数据显示图表。
			        myChart.setOption(result);
		},
		methods:{
			
		}
		
	}
</script>

<style>
</style>
